( 13 ) 



26. ANTENNARIA, Gaertn. 



1. margaritacea, E. Br. Everlasting. 



2. plantaginifolia, Hook. 



27. ERECHTHITES, Eaf ; 

 hieracifolia, Eaf. Fireweed. 



28. SENECIO, L. 



1. vulgaris, L. Groundsel. Waste places, Amherst, &c. 



2. aureus, L., & var. Balsamitse, Torr. & Gray. 



29. CENTAUREA, L. 



nigra, L. Knapweed. Waste places, Hard wick, Hitchcock. 



30. CIRSIUM, Tourn. Thistle. 



1. lanceolatum, Scop. 



2. discolor, Spreng. 



3. altissimum, Spreng. 



4. muticum, Michx. 



5. pumilum, Spreng. 



6. arvense, Scop. Canada Thistle. 



31. LAPPA, Tourn. 

 officinalis, All. Burdock. 



32. CICHOPvITJM, Tourn. 

 Intybus, L. Succory. Amherst, rare. Greenfield. 



33. KPvIGIA, Schreb. 

 Virginica, Willd. 



34. CYNTHIA, Don. 

 Virginica, Don. 



35. LE0NT0D0N, L, Juss. 

 [autumnal e, L. Fall Dandelion. Grass land, Amherst, seen 

 once.] 



36. HIERACITJM, Tourn. Hawkweed. 



1. Canadense, Michx. 



2. scabrum, Michx. 



3. Gronovii, L. 



4. venosum, L. 



5. paniculatum, L. 



37. NABALXJS, Cass. 



1. albus, Hook. 



2. altissimus, Hook. 



3. Fraseri, DC. 



38. TARAXACUM, Hall. 

 Dens-leonis, Desf. Dandelion. 



